642955920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2678983}}^1$

素因数の和:2678999

約数の個数: 40

約数和(自身を含む): 1993164096

約数和(自身を除く): 1350208176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2678983, 5357966, 8036949, 10715932, 13394915, 16073898, 21431864, 26789830, 32147796, 40184745, 42863728, 53579660, 64295592, 80369490, 107159320, 128591184, 160738980, 214318640, 321477960, 642955920]

約数ペア:

[(1, 642955920), (2, 321477960), (3, 214318640), (4, 160738980), (5, 128591184), (6, 107159320), (8, 80369490), (10, 64295592), (12, 53579660), (15, 42863728), (16, 40184745), (20, 32147796), (24, 26789830), (30, 21431864), (40, 16073898), (48, 13394915), (60, 10715932), (80, 8036949), (120, 5357966), (240, 2678983)]